5 oz., 100% cotton preshrunk jersey; Ash is 98% cotton, 2% poly; Athletic Heather is 90% cotton, 10% poly; Neon Green, Neon Pink and Safety Green are 50% cotton, 50% polyester; Made with sustainably sourced USA grown cotton; high-density fabric for exceptional print clarity; double-needle binding at neck and armholes; double-needle bottom hem